The Roil-Tiluvo Landing Frigate, sometimes referred to as the Bioroid Troop Carrier or Assault Corvette, was a streamlined, rocket and anti-gravity propelled transorbital atmosphere/space combat shuttle of the Robotech Masters, and it was featured in Robotech: The Masters.

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The Bioroid troop carriers used by the Robotech Masters' forces were in design and function closely related to the Frandlar Tiluvo transports of the Zentraedi fleets. The first design proposal involved an updated carrier, but this was rejected fairly early in the design effort. Rather than using a dedicated fighter, it was intended that an assault corvette would carry armaments as well as Bioroid troops. This rather revolutionary decision was made after computer modeling showed that a large, armed troop transport would be more than capable of defeating aerial mecha, while remaining fully operational itself. If succesfull, in time this might render the aerospace and atmosphere fighter craft obsolescent.

The Masters then took the idea one step further. If the transport were to be equipped with enough firepower to enable it to overwhelm small spaceships then the entire army could be made up from just two main designs: the Bioroid and the Assault Corvette. This would significantly ease manufacturing and maintenance. This approach was chosen, and the Roil-Tiluvo was designed to fit this role. This it did magnificently. The Assault Corvette exceeded all the expectations its designers had of it, and set new standards for transports in the Robotech militaries.

The first variant was the Roil Quel, an electronic warfare craft that had its mecha bay converted into an electronics hold, and mounted numerous phased array antenna all over its hull. The next two versions were the Luhoutzs, which carried additional command personnel and equipment in exchange for a large part of its troop capability, and the Lihinal bombardment variant. Two versions were designed for use by the Zentraedi. The Destrin version was intended for the Border Fleets, but due to several economic restraints, only the Tou Salaam cruisers were equipped to handle them. Although they were designed to transport Zentraedi troop, they retained the micronian flight crew. The Destrin featured an heightened main hull, to accommodate the large Zentraedi mecha. As the final military variant, the Tiluvosen was designed to complement the Frandlar Tiluvo re-entry pods. The cargo capacity of the Tiluvosen was far less than that of the re-entry pod, but the Tiluvosen was very heavily armed with guns and missiles. The tactical concept was to make the first landings with the corvettes, and to leave the heavy cargo lifting to the larger ships. This way, the Zentraedi could make assault landings with the armed and armoured corvettes in a manner which was impossible with the large but vulnerable and unarmed re-entry pod. However, this version as well as the final version, the civilian Listradin, never moved beyond the prototype stage.

The rear part of the body was vaguely rectangular shaped, with the smallest dimensions in the vertical, narrowing to the front, forming a prow. Mounted here the forward landing skid, which, like the other skids, is shaped in a manner reminiscent of a claw. Aft under the hull are the two main skids. In the sides of the lower aft section, pointing rearwards in normal flight mode, are the two vectorable exhausts of the main reaction engines. As versions intended for Zentraedi troops and mecha, the Destrin and the Tiluvosen featured a higher main hull. To compensate, the hull carried less armour, and the mass (and thus engine specifications) remained the same.

All other details differ per version. The Listradin, for example, was an unarmed version intended as a civilian transport. As such, it carried no weapons. All versions save for the Tiluvosen were flown by micronian pilots from the cockpit section, which was located in an upper blister. This blister was lengthened aft, protruding over much of the dorsal hull, and usually housed electronics. The Tiluvosen flight crew was located in its body, and the blister on that version was converted into a capacious missile bay.

All armed versions were equipped with two forward and two aft particle cannons, and with a rotary close-in defence turret under the hull. The Tiluvo, Quel, Destrin and Tiluvosen variants mounted four additional particle cannons in the hull, the Luhoutzs version mounted six additional cannons. The main armament of the Lihinal version was mounted in four cannons, visually identical to and mounted in the positions of the more standard particle cannon. However, these weapons were rail cannons for anti-matter pellets. The troop carrying versions (Tiluvo, Luhoutzs, Destrin and Tiluvosen) had two large release doors in the sides aft.

During the Second Robotech War the Army of the Southern Cross forces often encountered this vehicle, either in space or on the planet itself. Always it proved to be as maneuverable and more powerful and resilient than the mecha and planes of the air and aerospace forces. The corvette has a legitimate claim to more kills of mecha and spacecraft than any other vehicle in the Second Robotech War, since it was used for every role the Bioroids were too small for but full destroyers too heavy, from ground strafing runs (the largest flying vehicle ever to do this) to orbital combat.

The Robotech Expeditionary Force made a serious attempt to convert the Assault Corvette as its own standard dropship. However, different priorities and technical difficulties made this impossible, and at the time of the assault on Reflex Point.